3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = array('ça', 'ne', 'marche', 'pas'); foreach(&$array as $key => $value) { unset($array); echo $value."\n"; }

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
5.4.270.0130.04718.75
5.4.260.0130.06718.91
5.4.250.0170.07318.95
5.4.240.0070.08019.05
5.4.230.0100.04718.93
5.4.220.0070.05718.73
5.4.210.0200.06018.96
5.4.200.0100.05018.61
5.4.190.0130.04719.05
5.4.180.0130.04718.91
5.4.170.0100.05019.05
5.4.160.0070.07018.94
5.4.150.0030.05718.57
5.4.140.0030.05316.39
5.4.130.0070.04716.50
5.4.120.0070.05016.57
5.4.110.0030.05316.38
5.4.100.0170.04016.32
5.4.90.0200.05016.39
5.4.80.0130.04316.59
5.4.70.0030.05316.30
5.4.60.0200.03716.42
5.4.50.0070.05016.47
5.4.40.0070.05316.38
5.4.30.0100.07016.54
5.4.20.0100.05016.55
5.4.10.0030.05316.42
5.4.00.0030.05016.02
5.3.280.0070.05314.70
5.3.270.0100.05714.38
5.3.260.0000.06314.62
5.3.250.0130.06714.52
5.3.240.0200.05014.46
5.3.230.0030.05314.59
5.3.220.0000.05714.57
5.3.210.0070.06314.66
5.3.200.0030.05314.58
5.3.190.0000.05714.58
5.3.180.0100.04714.61
5.3.170.0030.05314.34
5.3.160.0200.03714.57
5.3.150.0070.07014.41
5.3.140.0100.04714.39
5.3.130.0130.07014.55
5.3.120.0100.05014.64
5.3.110.0130.06714.44
5.3.100.0030.06014.05
5.3.90.0070.06314.07
5.3.80.0030.05314.03
5.3.70.0000.05314.04
5.3.60.0070.05313.86
5.3.50.0130.04313.94
5.3.40.0100.04314.00
5.3.30.0100.04313.79
5.3.20.0170.05013.70
5.3.10.0000.07013.35
5.3.00.0170.04013.59
5.2.170.0100.05011.04
5.2.160.0130.04711.23
5.2.150.0070.04011.15
5.2.140.0000.04710.89
5.2.130.0070.05011.11
5.2.120.0100.03711.09
5.2.110.0030.04011.00
5.2.100.0030.04011.25
5.2.90.0100.03310.93
5.2.80.0070.04711.18
5.2.70.0100.03710.99
5.2.60.0130.03311.05
5.2.50.0100.05010.86
5.2.40.0070.04310.89
5.2.30.0070.03710.86
5.2.20.0030.04010.98
5.2.10.0070.03710.85
5.2.00.0070.04310.79
5.1.60.0030.0439.92
5.1.50.0030.04710.03
5.1.40.0070.0339.90
5.1.30.0170.02710.23
5.1.20.0130.03710.57
5.1.10.0070.0339.99
5.1.00.0000.04010.13
5.0.50.0030.0278.61
5.0.40.0070.0238.64
5.0.30.0070.0408.27
5.0.20.0000.0308.15
5.0.10.0000.0308.12
5.0.00.0100.0378.22
4.4.90.0030.0206.85
4.4.80.0030.0206.85
4.4.70.0030.0206.85
4.4.60.0000.0236.85
4.4.50.0070.0236.85
4.4.40.0100.0276.85
4.4.30.0030.0236.85
4.4.20.0030.0306.85
4.4.10.0000.0236.85
4.4.00.0000.0376.85
4.3.110.0000.0236.85
4.3.100.0000.0336.85
4.3.90.0070.0276.85
4.3.80.0100.0236.85
4.3.70.0000.0236.85
4.3.60.0130.0106.85
4.3.50.0030.0306.85
4.3.40.0030.0306.85
4.3.30.0100.0206.85
4.3.20.0000.0276.84
4.3.10.0070.0236.84
4.3.00.0030.0237.39

preferences:
139.3 ms | 1394 KiB | 7 Q